Patent US804843A successfully refreshed from Google Patents.
US804843A
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US
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Leading-in conductor for electric vapor apparatus.
Assignee: General Electric Vapor Lamp Co
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Filing: 1904-03-26
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Granted: 1905-11-21
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Expires: 1924-03-26
Abstract
No abstract record available.
Inventors
- 👤 Peter Cooper Hewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:39
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/02; C04B37/023; C04B37/026; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/217; Y10T403/47; Y10T403/477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1908-11-20 | 1909-05-22 | 1909-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-20 | 1913-05-22 | 1913-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-20 | 1917-05-22 | 1917-11-21 | $7700.00 | Window Closed / Lapsed |